Can You Tell a Story About Your Parents? In a study, young adults in the US were asked to recall a story that their parent(s) had told them about a time when their parent(s) were young. In a report of the study, it was stated that “more than 90% of teenagers and young adults can retell family stories when asked, even if they seemed uninterested when the stories were told.” The actual results of the study were that 244 young adults out of the 260 young adults who were asked about this were able to recall such a story. (a) If the standard error for the distribution is 0.015, find a 95% confidence interval for the proportion of young US adults who can recall a story that parent(s) told them about when the parent(s) were young. (b) Is the 90% value that was stated in the report consistent with the confidence interval?
Can You Tell a Story About Your Parents? In a study, young adults in the US were asked to recall a
story that their parent(s) had told them about a time when their parent(s) were young. In a report
of the study, it was stated that “more than 90% of teenagers and young adults can retell family
stories when asked, even if they seemed uninterested when the stories were told.” The actual
results of the study were that 244 young adults out of the 260 young adults who were asked about
this were able to recall such a story.
(a) If the standard error for the distribution is 0.015, find a 95% confidence interval for the
proportion of young US adults who can recall a story that parent(s) told them about when the
parent(s) were young.
(b) Is the 90% value that was stated in the report consistent with the confidence interval?
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